Difference between an implementation and an interface
In OLE DB, what is the difference between an implementation and an interface?
Expert
An OLE DB interface is specified through a set of objects, and the technique and properties that they expose, and OLE DB describes standardized interfaces. An object need not expose all of its functions and techniques in a given interface. An OLE DB implementation describes how the object supports the interface. The implementation is entirely hidden from the user. Therefore developers of an object are free to change the implementation when they want, however they should not change the interface without consulting their users.
Illustrates the purposes of a key component in SQL Server Integration Services (SSIS)?
Give a brief differentiation between Dimensional Modeling and ER Modeling?
Explain and compare a procedure and a trigger?
Explain the term Coalesce. Answer: Coalesce is also obtainable in Sybase, this function estimates the listed expressions and returns the first non-null value.
Illustrates the term data sparsity and how this effect upon aggregation?
What are some of the impediments to good decision making? Given the availability of copious information, why do good managers still make bad decision?
Specify the difference between the ER Modeling and Dimensional Modeling?
Which technique is used in the BCA?
Define the term Data Independence?
Describe briefly the difference between a Java applet and a Java servlet?
18,76,764
1955169 Asked
3,689
Active Tutors
1430904
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!